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b=GUfpMeUnr2ggotIvQlkhMrquftqxygXwYRjitm1e5SI2yhyg5pwIRRwCwlACzWbe0 uPacpiPJ9LT9BZutRSnszT0MvL5OnXW4ufvARGO168Fyeq1UNTNe5HB2THUyLF4mvC i3MnNmnsOinvlAMAb8+cacfVh1MW5E5qoQ6IINGA= Date: Fri, 24 Apr 2026 06:36:36 -0700 From: Andrew Morton To: kasong@tencent.com Cc: Kairui Song via B4 Relay , linux-mm@kvack.org, Axel Rasmussen , Yuanchu Xie , Wei Xu , Johannes Weiner , David Hildenbrand , Michal Hocko , Qi Zheng , Shakeel Butt , Lorenzo Stoakes , Barry Song , David Stevens , Chen Ridong , Leno Hou , Yafang Shao , Yu Zhao , Zicheng Wang , Kalesh Singh , Suren Baghdasaryan , Chris Li , Vernon Yang , linux-kernel@vger.kernel.org, Qi Zheng , Baolin Wang Subject: Re: [PATCH v6 00/14] mm/mglru: improve reclaim loop and dirty folio handling Message-Id: <20260424063636.539c202e4d1326088843a0f2@linux-foundation.org> In-Reply-To: <20260424-mglru-reclaim-v6-0-a57622d770c3@tencent.com> References: <20260424-mglru-reclaim-v6-0-a57622d770c3@tencent.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 788D310000B X-Stat-Signature: a4yh1haas7nc1czgdr3xfk88gmc9xrij X-Rspam-User: X-HE-Tag: 1777037799-345359 X-HE-Meta: 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 J/Ll4pk2 z4Mr1NP7WMkj5lDBzwst3KEYHXul74W5FECLj5zx6zIx1Wpq29sTrl7zm44DGw2avShp0COiPfm4Lxx+LynqoMB0N/T7exp9IqVZLLDuvca+mGRPViVKFosJ0kgt+Lg3JePmbjhyYsEdxjVSmDxbgZQelqFHE8sigqrbV4b/LQKTbW4+sPCIrgQLxnjnK5Wvhz53jB4c4dESQDmnILGRrxW1LE7pyW5i91RR5tBlqCR0daJiNbLNY0hkCJhA7+aFOo426AbAvhwsfjyCxQdGz5euBpKg1wYoaErOPHqBMgugrIKCIpzgCNd9juh2pQ2kweiiTK/9jVGRuV210+gTDF2WXcedSoJgz8pFwaD0/BZeNVdplGfm+BN+EfnS00OXnyOu24FPA11QEr3OuF8JDnt9J5t22bIakdTdt+zYrHQ/t9haEQRYHA6VF7pX7ETv0N/GQSUfFCcTegLg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, 24 Apr 2026 01:43:11 +0800 Kairui Song via B4 Relay wrote: > This series cleans up and slightly improves MGLRU's reclaim loop and > dirty writeback handling. As a result, we can see an up to ~30% increase > in some workloads like MongoDB with YCSB and a huge decrease in file > refault, no swap involved. Other common benchmarks have no regression, > and LOC is reduced, with less unexpected OOM, too. Sashiko: https://sashiko.dev/#/patchset/20260424-mglru-reclaim-v6-0-a57622d770c3@tencent.com